Automatic adjusting hoisting device for commercial vehicle

[0022] refer to figure 1 , an automatic adjustment hoisting device for a commercial vehicle, the device includes a fixing device, a movable device and a control device; the fixing device is movably connected with the movable device; the control device is fixed with the movable device.

[0023] refer to figure 1 and image 3 , the movable device comprises a motor 6, a threaded shaft 7, a support block 8, a rolling bearing B9, a movable platform 10, an electronic angle display 12, a power supply fixing box 20 and a ring 22; the motor 6 is fixed on the left end of the movable platform 10 The two support blocks 8 are symmetrically welded on both sides of the movable platform 10; one end of the threaded shaft 7 is screwed to the motor 6; the other end of the threaded shaft 7 is interference fit with the inner rings of the two rolling bearings B9 ; The electronic angle display instrument 12 is fixed on the left end of the front facade of the movable platform 10; the four points of th